HWH hydraulic hiccup

[Gramps.busa]

Two different trips now I had trouble retracting the front HWH slide on my Tiffin 36LA. First time nothing happened when I pushed retract 4 times. I looked in hydraulic bay( don’t know what I’m looking for) jiggled some wires, went back inside & slide came in. This last time I did the same, nothing. So I thought maybe if I tilted the slide side up a little the pump wouldn’t have to work so hard. When I went to raise the jacks nothing happened at first, then suddenly the jacks actually dropped a hair, then started to extend. I then went back to retract the slide & it came in fine.
So I’m thinking 2 separate control panels & both having trouble getting the pump to work. l need some help what direction I should be looking. Thanks to all for help in my previous posts. Engine was running, emergency brake on, 14 plus volts reading on panel.

 

[J&JD]

The first thing I would do is check all ground wires at & near the HWH system, especially at the pump area.

 

[RV Fam65]

The first thing I would do is check all ground wires at & near the HWH system, especially at the pump area.

Two different trips now I had trouble retracting the front HWH slide on my Tiffin 36LA. First time nothing happened when I pushed retract 4 times. I looked in hydraulic bay( don’t know what I’m looking for) jiggled some wires, went back inside & slide came in. This last time I did the same, nothing. So I thought maybe if I tilted the slide side up a little the pump wouldn’t have to work so hard. When I went to raise the jacks nothing happened at first, then suddenly the jacks actually dropped a hair, then started to extend. I then went back to retract the slide & it came in fine.
So I’m thinking 2 separate control panels & both having trouble getting the pump to work. l need some help what direction I should be looking. Thanks to all for help in my previous posts. Engine was running, emergency brake on, 14 plus volts reading on panel.

I wonder if the HWH controller is on its way. Ours needed replacing right before we bought the rig. Good luck!

 

[Gramps.busa]

I’m guessing the controller is the potted box on top of the unit (where the wires go). I have not yet had someone try to retract while I listen to see if pump runs. But I did notice one of the red lights blinking. I checked the ground wires, and they’re all tight. Can anyone tell me which solenoid I should be looking at ? Slide goes out fine, & jacks work fine, expect last trip where the previously mention hiccup occurred when I tried to raise left side & jack suddenly seemed to retract for a second before they then extended.